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Finding the Fourth Proportional to 416,665.22, 625,034.75 and 117,148.41

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Solution

The fourth proportional to 416,665.22, 625,034.75 and 117,148.41 is: 175,733.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,665.22 : 625,034.75 = 117,148.41 : x
  2. Step 2: Convert to fraction form
    416,665.22/625,034.75 = 117,148.41/x
  3. Step 3: Cross multiply
    416,665.22x = 625,034.75 × 117,148.41
  4. Step 4: Simplify right side
    416,665.22x = 73,221,826,571.51
  5. Step 5: Solve for x
    x = 73,221,826,571.51/416,665.22
  6. Step 6: Final answer
    x = 175,733.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.